@article{probabilisticsemanticretrievalfor,
  title = {Probabilistic Semantic Retrieval for Surveillance Videos with Activity Graphs},
  author = {Yu-Ting Chen and Joseph Wang and Yannan Bai and Gregory Castañón and Venkatesh Saligrama},
  year = {2017},
  eprint = {1712.06204},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1712.06204v2},
}